Ken Barnes of USA Today took part in an online chat with readers on Tuesday where he was asked if the release of Britney Spears’ ‘Greatest Hits’ album was a sign her act has “peaked.” Barnes responded, “She may have peaked, but there are a lot of concerned people in her management and at her label that have a strong interest in maintaining her superstar status. So let’s not count her out just yet. She has a knack for staying in the headlines, at least.” Read more, including his thoughts on Madonna, Clay Aiken, and Jennifer Lopez here.